Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\sites\wasalnah.sabti-h.com\vendor\fidry\cpu-core-counter\tests\Finder\FinderShortClassNameTest.php:23 Stack trace: #0 {main} thrown in C:\sites\wasalnah.sabti-h.com\vendor\fidry\cpu-core-counter\tests\Finder\FinderShortClassNameTest.php on line 23